1, fried fresh milk refrigeration are not solidified that the milk did not boil thick, insurance options with corn starch, do not use potato, sweet potato starch, success rate to be tested, it is likely that because of the properties of the different and caused by the fresh milk is not thick. You can pour the starch into the milk and stir well before boiling to avoid lumps.

2, under normal circumstances when simmering fresh milk with 250ml milk, corn starch 30g, sugar 35g can be simmering over low heat, while simmering while stirring, to the same direction, the milk moisture is easy to boil dry, so that the fresh milk is easier to dilute.

3, boiled milk into the refrigerator, covered with plastic wrap, refrigerated temperature at 1 ℃ best, refrigerated 2 hours after taking out can be solidified. If still can not solidify, may be the use of skim milk.